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Myriad-leaf

Myriophyllum verticillatum

Last reviewed: August 2026

Myriad-leaf (Myriophyllum verticillatum)
Photo: USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 614. / Wikimedia Commons (Public domain)

Toxicity unknown

Myriad-leaf (Myriophyllum verticillatum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

high

Size

12"–48" H × 12"–36" W

Bloom

Jun, Jul, Aug

Native to

AZ, CA, CO, CT and 28 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Northern Glaciated PlainsWestern Corn Belt PlainsNorthern ForestsNorthern Lakes and ForestsNorth Central Hardwood ForestsSoutheastern Wisconsin Till PlainsSouthern Michigan/Northern Indiana Drift Plains

Myriad-leaf is an aquatic perennial with finely divided, feathery leaves arranged in whorls around the stem. This native water plant produces small flowers above the water surface during summer months and requires consistently wet or submerged conditions to thrive.

In an HOA neighborhood

Myriad-leaf takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

  • Aquatic plant requiring water features
  • Not suitable for typical residential landscaping
  • May be considered invasive if not properly contained

Wildlife value

This aquatic plant provides habitat and food for waterfowl and supports aquatic insects. The submerged portions offer shelter for fish and other aquatic wildlife.

Common questions

How much sun does Myriad-leaf need?
Myriad-leaf grows best in part shade conditions.
When does Myriad-leaf bloom?
Myriad-leaf blooms in June, July, and August.
Where is Myriad-leaf native?
Myriad-leaf (Myriophyllum verticillatum) is native to AZ, CA, CO, CT and 28 more states, per the World Checklist of Vascular Plants (Kew).
Is Myriad-leaf HOA-friendly?
Myriad-leaf takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Myriad-leaf? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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